Changhai, China offers 1 beach perfect for sunbathing, surfing, swimming, and more. Changhai is known for its scenic Changshan Islands and the Dalian Discovery Kingdom theme park. The best time to travel to Changhai, China, is from June to August, with average air temperatures around 23°C (73°F) and water temperatures near 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!